Send a Message with an Image Encoded as Base64

# Manualtrigger Workflow ## Overview Automated workflow: Manualtrigger Workflow. This workflow integrates 6 different services: stickyNote, httpRequest, set, stopAndError, manualTrigger. It contains 15 nodes and follows best practices for error handling and security. ## Workflow Details - Total Nodes: 15 - Node Types: 6 - Error Handling: ✅ Implemented - Security: ✅ Hardened (no sensitive data) - Documentation: ✅ Complete ## Node Breakdown - When clicking "Test workflow": manualTrigger - Compose message: set - Send message: httpRequest - Get image: httpRequest - Message settings: set - Convert image to base64: extractFromFile - Sticky Note: stickyNote - Sticky Note1: stickyNote - Sticky Note2: stickyNote - Sticky Note3: stickyNote - ... and 5 more nodes ## Usage Instructions 1. Configure Credentials: Set up all required API keys and credentials 2. Update Variables: Replace any placeholder values with actual data 3. Test Workflow: Run in test mode to verify functionality 4. Deploy: Activate the workflow for production use ## Security Notes - All sensitive data has been removed or replaced with placeholders - Error handling is implemented for reliability - Follow security best practices when configuring credentials ## Troubleshooting - Check error logs if workflow fails - Verify all credentials are properly configured - Ensure all required services are accessible